CareerInterview prep

LeetCode Solutions

Welcome to the LeetCode solutions section.

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A Programmer's Guide to Job Searching and Internships as a Student

Student job search guide covering part-time work, internships, and graduate programs with extracurricular tips for securing offers before graduation.

121.The best time for buying and selling stocks

LeetCode 121. 买卖股票的最佳时机题解 — 使用动态规划（DP）求解单次交易最大利润，核心技巧是维护历史最低股价并实时计算当日卖出收益。适合准备算法面试、刷 LeetCode 数组与 DP 题的求职者和 CS 学生。